GoogleSignIn Framework Reference

GIDAuthentication

@interface GIDAuthentication : NSObject <NSSecureCoding>

This class represents the OAuth 2.0 entities needed for sign-in.

• clientID

  The client ID associated with the authentication.

  Declaration

  Swift

  var clientID: String { get }

  Objective-C

  @property (nonatomic, readonly) NSString *_Nonnull clientID;

• accessToken

  The OAuth2 access token to access Google services.

  Declaration

  Swift

  var accessToken: String { get }

  Objective-C

  @property (nonatomic, readonly) NSString *_Nonnull accessToken;

• accessTokenExpirationDate

  The estimated expiration date of the access token.

  Declaration

  Swift

  var accessTokenExpirationDate: Date { get }

  Objective-C

  @property (nonatomic, readonly) NSDate *_Nonnull accessTokenExpirationDate;

• refreshToken

  The OAuth2 refresh token to exchange for new access tokens.

  Declaration

  Swift

  var refreshToken: String { get }

  Objective-C

  @property (nonatomic, readonly) NSString *_Nonnull refreshToken;

• idToken

  An OpenID Connect ID token that identifies the user. Send this token to your server to authenticate the user there. For more information on this topic, see https://developers.google.com/identity/sign-in/ios/backend-auth

  Declaration

  Swift

  var idToken: String? { get }

  Objective-C

  @property (nonatomic, readonly, nullable) NSString *idToken;

• idTokenExpirationDate

  The estimated expiration date of the ID token.

  Declaration

  Swift

  var idTokenExpirationDate: Date? { get }

  Objective-C

  @property (nonatomic, readonly, nullable) NSDate *idTokenExpirationDate;

• -fetcherAuthorizer

  Gets a new authorizer for GTLService, GTMSessionFetcher, or GTMHTTPFetcher.

  Declaration

  Swift

  func fetcherAuthorizer() -> Any

  Objective-C

  - (nonnull id)fetcherAuthorizer;

  Return Value

  A new authorizer

• -doWithFreshTokens:

  Get a valid access token and a valid ID token, refreshing them first if they have expired or are about to expire.

  Declaration

  Swift

  func `do`(freshTokens action: @escaping GIDAuthenticationAction)

  Objective-C

  - (void)doWithFreshTokens:(nonnull GIDAuthenticationAction)action;

  Parameters

  action

  A callback block that takes a GIDAuthentication or an error if the attempt to refresh tokens was unsuccessful. The block will be called asynchronously on the main queue.